GH-2209 Fix sounds in old (pre-1.6) versions

api/logic/minecraft/launch/ReconstructAssets.cpp

@@ -0,0 +1,36 @@
+/* Copyright 2013-2019 MultiMC Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "ReconstructAssets.h"
+#include "minecraft/MinecraftInstance.h"
+#include "minecraft/ComponentList.h"
+#include "minecraft/AssetsUtils.h"
+#include "launch/LaunchTask.h"
+
+void ReconstructAssets::executeTask()
+{
+    auto instance = m_parent->instance();
+    std::shared_ptr<MinecraftInstance> minecraftInstance = std::dynamic_pointer_cast<MinecraftInstance>(instance);
+    auto components = minecraftInstance->getComponentList();
+    auto profile = components->getProfile();
+    auto assets = profile->getMinecraftAssets();
+
+    if(!AssetsUtils::reconstructAssets(assets->id, minecraftInstance->resourcesDir()))
+    {
+        emit logLine("Failed to reconstruct Minecraft assets.", MessageLevel::Error);
+    }
+
+    emitSucceeded();
+}

api/logic/minecraft/launch/ReconstructAssets.h

@@ -0,0 +1,33 @@
+/* Copyright 2013-2019 MultiMC Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include <launch/LaunchStep.h>
+#include <memory>
+
+class ReconstructAssets: public LaunchStep
+{
+    Q_OBJECT
+public:
+    explicit ReconstructAssets(LaunchTask *parent) : LaunchStep(parent){};
+    virtual ~ReconstructAssets(){};
+
+    void executeTask() override;
+    bool canAbort() const override
+    {
+        return false;
+    }
+};